| Issue |
EPL
Volume 142, Number 2, April 2023
|
|
|---|---|---|
| Article Number | 26001 | |
| Number of page(s) | 6 | |
| Section | Condensed matter and materials physics | |
| DOI | https://doi.org/10.1209/0295-5075/acc8f3 | |
| Published online | 18 April 2023 | |
Vortex-like nano-objects in perforated permalloy films
Laboratory of Design of New Materials, Bashkir State University - 450076, Bashkortostan, Russia
(a) E-mail: vakhitovrm@yahoo.com (corresponding author)
Received: 23 November 2022
Accepted: 30 March 2023
In this paper, permalloy films containing artificially created nanoscale perforations are studied, and it is theoretically substantiated that in the region of a pair of closely spaced perforations, the formation of topologically protected vortex-like inhomogeneities is possible. Quantitative estimates of the conditions for the existence of inhomogeneities of this type are obtained, and the causes and possible scenarios for their destruction are studied in cases where these conditions are violated.
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